An Environmental Management System (EMS) is used to systematically manage environmental aspects and impacts, fulfil compliance obligations such as legal requirements and the requirements of interested parties, to address risks and opportunities, and to continually improve environmental performance. It is based on the Plan-Do-Check-Act (PDCA) Cycle. An EMS can be certified to the international standard ISO14001:2015. Certification is done by an accredited Certification Body. In the UK accreditation is given to the Certification Body’s by the United Kingdom Accreditation Scheme (UKAS)”.